ESA APPEAL

I am just looking for advice for a matter, my mother in law has appealed decision to stop ESA, having not been allowed in the Support Group, the appeal came back saying 18 points and were referring back to DWP, but also stated on it that they didn't feel she should be reassessed. She has not received an appointment for wed again to go to DWP and will have to complete a change of circumstances form, I'm totally confused?? why does she need to do this when won appeal?

Thanks in advance